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Thompson Siegel & Walmsley’s Ecovyst ECVT Stock Holding History

Thompson Siegel & Walmsley’s Portfolio ECVT Stock Details ECVT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-1,366,711
Closed -$13.3M – 430
2025
Q4 		$13.3M Sell
1,366,711
-155,844
-10% -$1.36M 0.22% 109
2025
Q3 		$13.3M Buy
1,522,555
+6,662
+0.4% +$58.7K 0.22% 110
2025
Q2 		$12.5M Sell
1,515,893
-407,094
-21% -$2.86M 0.21% 113
2025
Q1 		$11.9M Sell
1,922,987
-172,376
-8% -$1.28M 0.2% 114
2024
Q4 		$16M Sell
2,095,363
-96,750
-4% -$715K 0.25% 99
2024
Q3 		$15M Buy
2,192,113
+462,317
+27% +$3.52M 0.22% 100
2024
Q2 		$15.5M Buy
1,729,796
+292,637
+20% +$2.83M 0.25% 92
2024
Q1 		$16M Sell
1,437,159
-102,495
-7% -$970K 0.25% 96
2023
Q4 		$15M Sell
1,539,654
-109,999
-7% -$1.05M 0.24% 95
2023
Q3 		$16.2M Buy
1,649,653
+351,557
+27% +$3.76M 0.27% 91
2023
Q2 		$14.9M Buy
1,298,096
+550,454
+74% +$5.99M 0.24% 102
2023
Q1 		$8.26M Buy
+747,642
New +$7.73M 0.13% 151

Other funds holding ECVT

RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Brown Advisory
Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return

Thompson Siegel & Walmsley's ECVT Position: Q1 2026 in Review

Thompson Siegel & Walmsley sold out of Ecovyst (ECVT) in Q1 2026, closing a stake of 1,366,711 shares — an estimated $13.3M sold.

Thompson Siegel & Walmsley first reported a position in ECVT in Q1 2023 and held it in 12 quarters. The position peaked at $16.2M in Q3 2023. 197 funds tracked by Wall St. Rank hold ECVT as of Q1 2026.

  • Thompson Siegel & Walmsley reported no remaining Ecovyst position as of Q1 2026 after selling out during the quarter.
  • Thompson Siegel & Walmsley sold 1,366,711 Ecovyst shares in Q1 2026, an estimated $13.3M.
  • Thompson Siegel & Walmsley first reported a position in Ecovyst in Q1 2023 and held it in 12 quarters.
  • Thompson Siegel & Walmsley's Ecovyst position peaked at $16.2M in Q3 2023.
  • 197 funds tracked by Wall St. Rank held Ecovyst as of Q1 2026.

Based on Thompson Siegel & Walmsley's 13F filing for Q1 2026, filed 11 May 2026.